package com.itheima.demoset;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.*;

public class LinkedHashSetDemo {
    public static void main(String[] args)
    {
        Student s1 = new Student("小明", 18, 100, "北京");
        Student s2 = new Student("小红", 18, 100, "上海");
        Student s3 = new Student("小刚", 18, 100, "北京");
        Student s4 = new Student("小刚", 18, 100, "北京");

        java.util.LinkedHashSet<Student> set = new java.util.LinkedHashSet<Student>();
    }


}
